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Radiation-Induced Dehydration and Destruction of 1,2-Propanediol, 1,2-Butanediol, and 2,3-Butanediol in Deaerated Aqueous Solutions.

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Title: Radiation-Induced Dehydration and Destruction of 1,2-Propanediol, 1,2-Butanediol, and 2,3-Butanediol in Deaerated Aqueous Solutions.
Authors: Urbanovich, O. V.1,2 (AUTHOR) olga.urbanovich@gmail.com, Davydenko, A. I.1 (AUTHOR), Panteleeva, E. A.1 (AUTHOR), Sverdlov, R. L.1 (AUTHOR), Shadyro, O. I.1,2 (AUTHOR)
Source: High Energy Chemistry. Jun2022, Vol. 56 Issue 3, p170-174. 5p.
Subjects: Aqueous solutions, Butanediol, Dehydration, Ionizing radiation, Fragmentation reactions, Hydroxyl group
Abstract: The γ-radiation-induced transformations of α-diols in deaerated aqueous solutions at pH 7 have been studied. The composition and radiation-chemical yields of the main products of their radiolysis were determined. It has been established that dehydration by a chain mechanism is a characteristic process for α‑diols with terminal positions of hydroxyl groups (1,2-propanediol and 1,2-butanediol). In the radiolysis of an α-diol with the central arrangement of hydroxyl groups (2,3-butanediol), chain processes did not occur: dehydration and destruction of the diol via C–C bond scission occurred with approximately equal probabilities. The observed effects were explained, and the importance of the obtained results for studying the mechanisms of free-radical fragmentation reactions of hydroxyl-containing biomolecules induced by ionizing radiation was stated. [ABSTRACT FROM AUTHOR]
Copyright of High Energy Chemistry is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: <searchLink fieldCode="DE" term="%22Aqueous+solutions%22">Aqueous solutions</searchLink><br /><searchLink fieldCode="DE" term="%22Butanediol%22">Butanediol</searchLink><br /><searchLink fieldCode="DE" term="%22Dehydration%22">Dehydration</searchLink><br /><searchLink fieldCode="DE" term="%22Ionizing+radiation%22">Ionizing radiation</searchLink><br /><searchLink fieldCode="DE" term="%22Fragmentation+reactions%22">Fragmentation reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Hydroxyl+group%22">Hydroxyl group</searchLink>
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  Data: The γ-radiation-induced transformations of α-diols in deaerated aqueous solutions at pH 7 have been studied. The composition and radiation-chemical yields of the main products of their radiolysis were determined. It has been established that dehydration by a chain mechanism is a characteristic process for α‑diols with terminal positions of hydroxyl groups (1,2-propanediol and 1,2-butanediol). In the radiolysis of an α-diol with the central arrangement of hydroxyl groups (2,3-butanediol), chain processes did not occur: dehydration and destruction of the diol via C–C bond scission occurred with approximately equal probabilities. The observed effects were explained, and the importance of the obtained results for studying the mechanisms of free-radical fragmentation reactions of hydroxyl-containing biomolecules induced by ionizing radiation was stated. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of High Energy Chemistry is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Type: general
      – SubjectFull: Butanediol
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      – SubjectFull: Dehydration
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      – SubjectFull: Ionizing radiation
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      – SubjectFull: Fragmentation reactions
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              Text: Jun2022
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